First Light Asset Management’s Dyne Therapeutics DYN Stock Holding History

First Light Asset Management’s Portfolio DYN Stock Details DYN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-155,231	Closed	-$3.04M	–	37
2025 Q4	$3.04M	Buy	+155,231	New	+$2.94M	0.23%	32
2025 Q1	–	Sell	-420,431	Closed	-$9.91M	–	38
2024 Q4	$9.91M	Sell	420,431 -836,854	-67%	-$24.8M	0.95%	28
2024 Q3	$45.2M	Buy	1,257,285 +874,852	+229%	+$34.8M	3.76%	10
2024 Q2	$13.5M	Buy	382,433 +276,485	+261%	+$8.03M	1.18%	30
2024 Q1	$3.01M	Buy	+105,948	New	+$2.4M	0.23%	48
2020 Q4	–	Sell	-25,000	Closed	-$505K	–	76
2020 Q3	$505K	Buy	+25,000	New	+$549K	0.05%	46

Other funds holding DYN

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

FIS

FCPM III Services Naarden, Netherlands $722M AUM 73.61% 1-Year Est. Return

First Light Asset Management's DYN Position: Q1 2026 in Review

First Light Asset Management sold out of Dyne Therapeutics (DYN) in Q1 2026, closing a stake of 155,231 shares — an estimated $3.04M sold.

First Light Asset Management first reported a position in DYN in Q3 2020 and held it in 6 quarters. The position peaked at $45.2M in Q3 2024. 227 funds tracked by Wall St. Rank hold DYN as of Q1 2026.

First Light Asset Management reported no remaining Dyne Therapeutics position as of Q1 2026 after selling out during the quarter.
First Light Asset Management sold 155,231 Dyne Therapeutics shares in Q1 2026, an estimated $3.04M.
First Light Asset Management first reported a position in Dyne Therapeutics in Q3 2020 and held it in 6 quarters.
First Light Asset Management's Dyne Therapeutics position peaked at $45.2M in Q3 2024.
227 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q1 2026.

Based on First Light Asset Management's 13F filing for Q1 2026, filed 15 May 2026.